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Learn about the substitution box (S-box) used in the Rijndael cipher, the basis of the Advanced Encryption Standard (AES) algorithm. See the forward and inverse S-box tables, the Nyberg S-box transformation, and the affine transformation.
CNSA 1.0 is a set of cryptographic algorithms promulgated by the NSA to protect US National Security Systems information up to the top secret level. It includes AES, ECDH, ECDSA, SHA-384, DH, and RSA, and will be replaced by CNSA 2.0 with post-quantum algorithms.
AES is a symmetric-key algorithm for encrypting electronic data, with key sizes of 128, 192 or 256 bits. AES is a variant of Rijndael, a family of ciphers developed by Daemen and Rijmen, and is the first cipher approved by the U.S. NSA for top secret information.
AOL Mail offers secure and personalized email with features like AOL Mail, news, and weather for free. You can also access your email on the go with an iOS & Android app and get help from experts.
Find answers to common questions and issues about AOL Mail, such as how to create a signature, add images, fix errors, and more. Get live chat or phone support from AOL experts or browse the articles and tutorials for help.
U-1 was the first U-boat built for Nazi Germany after Hitler abrogated the Treaty of Versailles in 1935. She was sunk by a British mine in 1940 during her second patrol.
The Alliance of Sahel States (AES) is a confederation of Mali, Niger, and Burkina Faso formed in 2024 to resist ECOWAS intervention. The AES is anti-French, anti-ECOWAS, and pro-Russian, and has faced jihadist insurgency and coups in the region.
Learn about the AES instruction set, a set of instructions that perform AES encryption and decryption efficiently. Find out which Intel processors support AES-NI, the first major implementation of AES-NI, and compare it with other architectures and hardware accelerators.